{"id":"UBUNTU-CVE-2017-7186","details":"libpcre1 in PCRE 8.40 and libpcre2 in PCRE2 10.23 allow remote attackers to cause a denial of service (segmentation violation for read access, and application crash) by triggering an invalid Unicode property lookup.","modified":"2026-02-04T03:33:23.445719Z","published":"2017-03-20T00:59:00Z","related":["USN-5665-1"],"upstream":["CVE-2017-7186"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-7186"},{"type":"REPORT","url":"https://blogs.gentoo.org/ago/2017/03/14/libpcre-invalid-memory-read-in-match-pcre_exec-c/"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5665-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-7186"}],"affected":[{"package":{"name":"pcre3","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/pcre3@2:8.38-3.1ubuntu0.1~esm2?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:8.38-3.1ubuntu0.1~esm2"}]}],"versions":["2:8.35-7.1ubuntu1","2:8.38-1ubuntu1","2:8.38-3","2:8.38-3.1","2:8.38-3.1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"2:8.38-3.1ubuntu0.1~esm2","binary_name":"libpcre16-3"},{"binary_version":"2:8.38-3.1ubuntu0.1~esm2","binary_name":"libpcre3"},{"binary_version":"2:8.38-3.1ubuntu0.1~esm2","binary_name":"libpcre3-dev"},{"binary_version":"2:8.38-3.1ubuntu0.1~esm2","binary_name":"libpcre32-3"},{"binary_version":"2:8.38-3.1ubuntu0.1~esm2","binary_name":"libpcrecpp0v5"},{"binary_version":"2:8.38-3.1ubuntu0.1~esm2","binary_name":"pcregrep"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-7186.json"}},{"package":{"name":"pcre2","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/pcre2@10.21-1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["10.20-1","10.20-2","10.20-3","10.21-1"],"ecosystem_specific":{"binaries":[{"binary_version":"10.21-1","binary_name":"libpcre2-16-0"},{"binary_version":"10.21-1","binary_name":"libpcre2-32-0"},{"binary_version":"10.21-1","binary_name":"libpcre2-8-0"},{"binary_version":"10.21-1","binary_name":"libpcre2-dev"},{"binary_version":"10.21-1","binary_name":"libpcre2-posix0"},{"binary_version":"10.21-1","binary_name":"pcre2-utils"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-7186.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}]}